Demon: The Book of Yesterday
Demon Type: Object
Telltale: Writing is different every time you open the book (esp. marginalia)
General Appearance: Huge, fraying book, packed with incomprehensible writing. Craigborne generally keeps it locked in the attic of his penthouse flat.
Need: To consume memories (of humanity: empathy, love, family, good deeds, etc.
Taint (reduce humanity through) (erased memories)
Mark (in the act of violence/injury)